diff --git a/docs/gateway/s3.md b/docs/gateway/s3.md
index 7f04089f5..fc293dffb 100644
--- a/docs/gateway/s3.md
+++ b/docs/gateway/s3.md
@@ -137,7 +137,9 @@ With MinIO S3 gateway, you can use MinIO Console to explore AWS S3 based objects
 
 ### Known limitations
 
-- Bucket notification APIs are not supported.
+- Bucket Notification APIs are not supported.
+- Bucket Locking APIs are not supported.
+- Versioned buckets on AWS S3 are not supported from gateway layer. Gateway is meant to be used with non-versioned buckets.
 
 ## Explore Further